Finding the Fourth Proportional to 3,995.82, 5,517.72 and 2,506.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,995.82 : 5,517.72 = 2,506.30 : x
2. Step 2: Convert to fraction form
   3,995.82/5,517.72 = 2,506.30/x
3. Step 3: Cross multiply
   3,995.82x = 5,517.72 × 2,506.30
4. Step 4: Simplify right side
   3,995.82x = 13,829,061.64
5. Step 5: Solve for x
   x = 13,829,061.64/3,995.82
6. Step 6: Final answer
   x = 3,460.88